The London P&I Club said the timetable for the mandatory implementation of ECDIS (Electronic Chart Display and Information System) is advancing and that owners must take account of the potential risks involved in replacing more traditional means of voyage planning and monitoring with advanced technology. In the latest issue of its StopLoss Bulletin, the club notes, “Ineffective use of any electronic navigational aid can lead to marine accidents. A causative factor in a number of recent grounding accidents is the incorrect operation of ECDIS.